Seiko Prospex Speedtimer Mechanical ChronographvsTSAO Baltimore Constellation Chrono-Diver - Mystic Blue

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Seiko Prospex Speedtimer Mechanical Chronograph at true scale

Prospex Speedtimer Mechanical Chronograph

TSAO Baltimore Constellation Chrono-Diver - Mystic Blue at true scale

Constellation Chrono-Diver - Mystic Blue

Diameter

42mm

41mm

Lug-to-Lug

49.5mm

n/a

Thickness

14.6mm

n/a

Water Resistance

100m

200m

highest

Power Reserve

45h

n/a

MSRP

$2,500

$450

lowest

Movement

Seiko 8R48

Seiko VK64

Case

4 specs
Diameter
42mm
41mm
Thickness
14.6mm
n/a
Lug-to-Lug
49.5mm
n/a
Water Resistance
100m
200m

Crystal & Dial

4 specs
Crystal Shape
Curved
n/a
AR Coating
Anti-reflective coating on inner surface
n/a
Dial Color
n/a
n/a
Lume
LumiBrite on hands and index(es)
None

Movement

4 specs
Caliber
Seiko 8R48
Seiko VK64
Type
Automatic
Meca-Quartz
Power Reserve
45h
0h
Jewels
34
0

Pricing

1 specs
MSRP
$2,500
$450
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